interferometer

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in·ter·fer·om·e·ter

(in'tĕr-fĕr-om'ĕ-tĕr),
An instrument for measuring minute distances or movements through the interference of light waves thereby produced.
[interfere + G. metron, measure]

interferometer

(ĭn″tĕr-fēr-ŏm′ĕ-tĕr)
An optical device that acts on the interference of two beams of light, permitting examination of the structure of spectral lines. It is also used in examining prisms of lenses for faults.

interferometer

1. Instrument designed to measure the wavelength of light, the refractive index of a medium, as well as the flatness, thickness, the quality of optical surfaces, etc. The interferometer is based on the phenomenon of interference between two coherent beams of light. 2. Name given to several types of clinical maxwellian view system used to measure visual acuity. See clinical maxwellian view system.
References in periodicals archive ?
Uzieblo-Zyczkowska, "Interferometric fiber optics based sensor for monitoring of the heart activity," Acta Physica Polonica A, vol.
Figure 6 shows the seismic data measured by the laser interferometric seismometer and the accelerometer, respectively.
A particular claim for the work was that the CQD spectrometer is advantageous over interferometric techniques because of photon efficiency, resolution, and spectral range.
There is ample research on noise suppression for SAR interferometric phase.
The polarization interferometric nonlinear confocal microscope proposed enhances CTF of images.
To carry out the mapping programme, Bradar will use remote sensing technology Interferometric synthetic aperture radar that operates on the X and P bandwidths, which are capable of generating high-precision maps.
But a technique known as Interferometric Synthetic Aperture Radar can do all that and much more -- or less -- right down to differences of mere centimeters.
As a fast and efficient method for information extraction and scene interpretation, unsupervised classification is of great importance in processing of polarimetric and polarimetric interferometric aperture radar (PolSAR and PolInSAR) data.
The Small Synthetic Aperture Minehunter system contains vertically spaced rows of hydrophones for interferometric (technique to extract arrival angle of acoustic waves) data processing.
Students, researchers, and practitioners can read about such aspects as advanced algorithms for land use and cover classification, generating digital elevation models from satellite interferometric synthetic aperture radar, assessing urbanization patterns and trends in the Gulf of Mexico region of the southeast US with Landsat and night-time lights imagery, estimating and mapping forest leaf area index using satellite imagery, advanced geospatial techniques for mapping and monitoring invasive species, and mapping marine oil spills from space.
The interferometric radar is a sensor increasingly used mainly in dynamic testing of infrastructures [1-10].
Coherent change detection, on the other hand, uses the magnitude of the sample complex cross correlation of an interferometric SAR image pair to quantify changes in the observed amplitude and phase of the image pixels.